由於在家持續接觸在地細菌，您很有可能已經對它們免疫了。 The previous text is in Chinese (Traditional). Here is a translation to Swahili:
Nyumbani, kwa sababu ya kuwa kwenye viini vya ndani kila wakati, kuna uwezekano mkubwa kwamba tayari una kinga dhidi yavyo.